extends Node
#var a=0.04
#var y=40
#var x=20
#func f(x,y) :return ( ( 1 - x * a ) * y )
func _init():
	#var y=f(10,20)
	#print(y)
	var zidian = {}
	var dict = zidian
#    x=字典
	dict.keys()
	print(zidian.keys())
	zidian = {}
	zidian [0] = 1
	zidian [0] = 3
	zidian ["0"] = 2
	zidian ["0"] = 4








	print(zidian)
	
